<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/helpers.js"></script>

<body>
<script>
promise_test(async t => {
  let i = document.createElement("iframe");
  document.body.append(i);

  i.contentWindow.navigation.onnavigate = t.unreached_func("onnavigate should not be called");
  i.contentWindow.navigation.onnavigatesuccess = t.unreached_func("onnavigatesuccess should not be called");
  i.contentWindow.navigation.onnavigateerror = t.unreached_func("onnavigateerror should not be called");

  const result = i.contentWindow.navigation.navigate("#1");
  assertNeverSettles(t, result, i.contentWindow);
  await new Promise(resolve => t.step_timeout(resolve, 10));
}, "navigate() in initial about:blank document");
</script>
